back and forth among the young redwoods near the tent. They seldom fly higher than six or eight feet above the ground. The other hand are shorter- winged and fly higher above the tree tops. Last evening the last rays of sunlight left the hill- top at 7:25 P.M. and the first bat was seen at 7:45. None were observed after 8:30 P.M., although I watched until 9:00 P.M. June 12. Went up to "Gabriel's Rock", the highest point about here early this morning. The steep south-facing slope near the summit is purely riparian Sonoran, greasewood, mimulus, and poison oak being the most abundant shrubs. The greasewood was in full bloom. Here I saw and heard wrentits and goldfinches. A few Vaux swifts were flying about the rock. Last evening I found a mole in one of the gopher traps. This mole, also was not taken under a mole